74239312423 has 2 divisors, whose sum is σ = 74239312424. Its totient is φ = 74239312422.

The previous prime is 74239312421. The next prime is 74239312453. The reversal of 74239312423 is 32421393247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74239312423 - 2¹ = 74239312421 is a prime.

It is a super-2 number, since 2×74239312423² (a number of 23 digits) contains 22 as substring.

Together with 74239312421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74239312421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37119656211 + 37119656212.

It is an arithmetic number, because the mean of its divisors is an integer number (37119656212).

Almost surely, 2^74239312423 is an apocalyptic number.

74239312423 is a deficient number, since it is larger than the sum of its proper divisors (1).

74239312423 is an equidigital number, since it uses as much as digits as its factorization.

74239312423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 40.

The spelling of 74239312423 in words is "seventy-four billion, two hundred thirty-nine million, three hundred twelve thousand, four hundred twenty-three".